president obama on chemical weapons in syria. if it is true why he calls the move a game-changer and what it means for u.s. involvement in that country. ♪ . martha: you know that theme song from "the big bang theory", right? the final frontier a little bit older than we thought it was. scientists are now saying that the universe is 80 million years older than previously known. they say they have mostly detailed the map of the earlier universe and trying to figure out when it was created. this comes courtesy of a european space telescope. the findings back up "the big bang theory". that it burst from subatomic size to a fraction of a second. how amazing is that? bill: so now new reaction from president obama to allegations that chemical weapons may have been used in the civil war in syria. some in congress suggested that the wmds have been used but the president says the u.s. is still trying to get to the bottom of it. >> once we established the facts, i have made clear that the use of chemical weapons is a game-changer and i wo